Overview
The ADM207EARS-REEL, produced by Analog Devices Inc., is a ruggedized RS-232 line driver/receiver integrated circuit. This component operates from a single 5 V supply and is designed to provide reliable and high-speed data transmission in various environments. It features step-up voltage converters and level shifting transmitters and receivers, enabling the development of RS-232 levels from a single 5 V supply. The ADM207E is part of the ADM2xxE family, known for its low power consumption, high transmission rates, and robust electromagnetic compatibility (EMC) and electrostatic discharge (ESD) protection.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 5 V |
| Number of Drivers | 5 |
| Number of Receivers | 3 |
| ESD Protection | ±15 kV (Human Body Model), ±15 kV (IEC 1000-4-2 Air Discharge), ±8 kV (IEC 1000-4-2 Contact Discharge) |
| Shutdown Enable | No |
| Packages | 24-Lead SSOP (RS-24), 24-Lead PDIP (N-24-1), 24-Lead TSSOP (RU-24) |
| Operating Temperature Range | −40°C to +85°C |
| Storage Temperature Range | −65°C to +150°C |
| Transmitter Propagation Delay | 1 μs (RL = 3 kΩ, CL = 2500 pF) |
| Receiver Output Disable Time | 120 ns |
| Transition Region Slew Rate | 8 V/μs (RL = 3 kΩ, CL = 50 pF to 2500 pF) |
Key Features
- Compliance with EU directive on electromagnetic compatibility (EMC) and EIA-232-E specifications.
- High slew rates allowing data transmission rates up to 230 kbps.
- Low power consumption.
- Robust ESD protection up to ±15 kV and electrical fast transient (EFT) protection.
- Internal 400 kΩ pull-up resistors on TTL/CMOS inputs and 5 kΩ pull-down resistors on RS-232 inputs.
- Immunity to radiated and conducted interference.
- Backward compatibility with earlier ADM2xx products.
Applications
The ADM207EARS-REEL is ideally suited for use in electrically harsh environments and applications where RS-232 cables are frequently being unplugged. It is suitable for high-speed data links, such as those required in modern modem standards, and is used in various industrial, medical, and communication systems where reliable and high-speed data transmission is critical.
Q & A
- What is the supply voltage for the ADM207EARS-REEL?
The supply voltage for the ADM207EARS-REEL is 5 V. - How many drivers and receivers does the ADM207EARS-REEL have?
The ADM207EARS-REEL has 5 drivers and 3 receivers. - What level of ESD protection does the ADM207EARS-REEL offer?
The ADM207EARS-REEL offers ESD protection up to ±15 kV (Human Body Model), ±15 kV (IEC 1000-4-2 Air Discharge), and ±8 kV (IEC 1000-4-2 Contact Discharge). - What are the operating and storage temperature ranges for the ADM207EARS-REEL?
The operating temperature range is −40°C to +85°C, and the storage temperature range is −65°C to +150°C. - What is the maximum data transmission rate supported by the ADM207EARS-REEL?
The ADM207EARS-REEL supports data transmission rates up to 230 kbps. - Is the ADM207EARS-REEL backward compatible with earlier ADM2xx products?
Yes, the ADM207EARS-REEL is backward compatible with earlier ADM2xx products. - What types of packages are available for the ADM207EARS-REEL?
The ADM207EARS-REEL is available in 24-Lead SSOP (RS-24), 24-Lead PDIP (N-24-1), and 24-Lead TSSOP (RU-24) packages. - Does the ADM207EARS-REEL have internal pull-up and pull-down resistors?
Yes, the ADM207EARS-REEL has internal 400 kΩ pull-up resistors on TTL/CMOS inputs and 5 kΩ pull-down resistors on RS-232 inputs. - Is the ADM207EARS-REEL immune to radiated and conducted interference?
Yes, the ADM207EARS-REEL is immune to radiated and conducted interference. - What are some typical applications for the ADM207EARS-REEL?
The ADM207EARS-REEL is typically used in high-speed data links, industrial systems, medical devices, and communication systems where reliable data transmission is critical.
